Granted Patent
Utility
US 4,047,607 · App. 05/672,699
Articulated ribbon-guiding structure
Inventor:
Frederick P. Willcox
Patented Case
View Patent ↗
Granted: Sep 13, 1977
Filed: Apr 1, 1976
Inventor
Frederick P. Willcox
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.